When you update Windows or update kb4012212 to prevent WannaCry attacks, it displays error 80073712 or message "The update is not applicable to your computer". You click the link below and see the clip to fix the error.

- Link Windows Update error 0x80073712: https://support.microsoft.com/en-us/help/957310/windows-update-error-0x80073712

- Link System Update Readiness tool: https://support.microsoft.com/en-us/help/947821/fix-windows-update-errors-by-using-the-dism-or-system-update-readiness-tool